21 #ifndef __statistics_h__    22 #define __statistics_h__    29 #include <jack/types.h>    36 float jack_get_max_delayed_usecs (jack_client_t *client);
    43 float jack_get_xrun_delayed_usecs (jack_client_t *client);
    51 void jack_reset_max_delayed_usecs (jack_client_t *client);